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Unnathi Wind Generators is newest wind turbine technology and market research from years . Our goal is to produce reliable, affordable, and durable wind generators that will last for years with maintenance free operation. Wind generators, like other sources of electrical power.

The Unnathi 1,5 kW wind turbine for urban use

The Unnathi wind turbine is a small wind turbine of 1,5 kW especially suited for use in urban areas. This means that extra attention is given not only to the safety features and the emitted noise levels but also to the artistic design of the turbine.
 

Essential for creating an artistic design with a good public acceptance and therefore suitable for urban areas is the absence of a tail vane. The turbine is equipped with an active yawing mechanism giving the possibility to create a smart design without a tail vane.

 

Also extra attention is given to the different safety features of the turbine due to the fact that the turbines will mostly by placed in densely populated areas. So a safety brake and emergency yawing in combination with a back-up battery are incorporated in the design.

 

A further important aspect to increase the acceptance of the turbines for use in urban areas is the emitted noise level. Special attention is given to this aspect during the development of the blades.
 

General specifications


  • Lifetime: 20 years.

  • Service: Maintenance interval once every 2 years.

  • Cut-in wind speed: 3 m/s (no external start up needed).

  • Cut-out wind speed: 20 m/s.

  • Rated wind speed: 10 m/s @ 300 rpm and output power 1,5 kW.

  • Survival wind speed: 35 m/s (IEC 61400-1 class 2).

  • Number of blades : 3.

  • Diameter: 5 meters.

  • Power regulation: fixed pitch stall control.

  • Yaw: active yawing up-wind.

  • Hub height : 12,50 meters.

  • Output power: 1,5 kW.
     

General mechanical specifications.
  • Tower diameter: 12 meter tower, 273 mm constant diameter.
  • Total weight : approx. 280 kg (excluding mounting).
  • Wind turbine mounting: foundation pole or concrete block + anchor.
  • Design: Industrial design by Proforma ? Rotterdam.
  • Cover/nose cone: GFRP.
  • Rotor blade material: GFRP.
  • Corrosion protection: All construction parts hot dip galvanized.
Electrical specifications.
  • Output power: 1,5 kW
  • Output voltage: 230V/50Hz 3 phase.
  • Connection : grid connected.
  • Inverter: PWM controlled inverter (back-to-back inverter)
  • Generator: A-synchronous 52 pole 3x400 V/87 Hz @ 1200 rpm.
  • Brake: Spring-released electrical brake at high speed shaft of 80 Nm.
 

#3, 1st Cross, Netaji Circle, Mathikere Ext. Bangalore - 560054,    Email: unnathigroups@gmail.com, info@unnathi.com, unnathicare@gmail.com

Phone: 080 - 23604570            Mobile : +91 9986004163, +91 9845554959

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